diff --git a/services/iaas/v1alpha1/iaas.json b/services/iaas/v1alpha1/iaas.json
index 651ab03..035554c 100644
--- a/services/iaas/v1alpha1/iaas.json
+++ b/services/iaas/v1alpha1/iaas.json
@@ -368,10 +368,6 @@
             "readOnly": true
           }
         },
-        "required": [
-          "volumeId",
-          "serverId"
-        ],
         "type": "object"
       },
       "AllowedAddresses": {
@@ -538,10 +534,6 @@
             "writeOnly": true
           }
         },
-        "required": [
-          "id",
-          "source"
-        ],
         "type": "object"
       },
       "BootVolumeSource": {
@@ -667,14 +659,6 @@
             ]
           }
         },
-        "required": [
-          "id",
-          "mac",
-          "networkId",
-          "type",
-          "device",
-          "status"
-        ],
         "type": "object"
       },
       "CreatePublicIPPayload": {
@@ -709,10 +693,6 @@
             "nullable": true
           }
         },
-        "required": [
-          "id",
-          "ip"
-        ],
         "type": "object"
       },
       "CreateSecurityGroupPayload": {
@@ -764,9 +744,7 @@
           }
         },
         "required": [
-          "id",
-          "name",
-          "rules"
+          "name"
         ],
         "type": "object"
       },
@@ -836,8 +814,6 @@
           }
         },
         "required": [
-          "id",
-          "securityGroupId",
           "direction"
         ],
         "type": "object"
@@ -1033,8 +1009,6 @@
           }
         },
         "required": [
-          "id",
-          "status",
           "name",
           "machineType"
         ],
@@ -1106,9 +1080,7 @@
           }
         },
         "required": [
-          "id",
-          "availabilityZone",
-          "status"
+          "availabilityZone"
         ],
         "type": "object"
       },
@@ -1331,14 +1303,6 @@
             ]
           }
         },
-        "required": [
-          "id",
-          "mac",
-          "networkId",
-          "type",
-          "device",
-          "status"
-        ],
         "type": "object"
       },
       "NICList": {
@@ -1585,7 +1549,6 @@
           }
         },
         "required": [
-          "networkRangeId",
           "prefix"
         ],
         "type": "object"
@@ -1769,10 +1732,6 @@
             "nullable": true
           }
         },
-        "required": [
-          "id",
-          "ip"
-        ],
         "type": "object"
       },
       "PublicIpList": {
@@ -1950,7 +1909,6 @@
           }
         },
         "required": [
-          "routeId",
           "prefix",
           "nexthop"
         ],
@@ -2018,9 +1976,7 @@
           }
         },
         "required": [
-          "id",
-          "name",
-          "rules"
+          "name"
         ],
         "type": "object"
       },
@@ -2109,8 +2065,6 @@
           }
         },
         "required": [
-          "id",
-          "securityGroupId",
           "direction"
         ],
         "type": "object"
@@ -2305,8 +2259,6 @@
           }
         },
         "required": [
-          "id",
-          "status",
           "name",
           "machineType"
         ],
@@ -2583,10 +2535,6 @@
             "readOnly": true
           }
         },
-        "required": [
-          "volumeId",
-          "serverId"
-        ],
         "type": "object"
       },
       "UpdateNICPayload": {
@@ -2665,14 +2613,6 @@
             ]
           }
         },
-        "required": [
-          "id",
-          "mac",
-          "networkId",
-          "type",
-          "device",
-          "status"
-        ],
         "type": "object"
       },
       "UpdatePublicIPPayload": {
@@ -2707,10 +2647,6 @@
             "nullable": true
           }
         },
-        "required": [
-          "id",
-          "ip"
-        ],
         "type": "object"
       },
       "UpdateVolumePayload": {
@@ -2800,9 +2736,7 @@
           }
         },
         "required": [
-          "id",
-          "availabilityZone",
-          "status"
+          "availabilityZone"
         ],
         "type": "object"
       },
@@ -2829,10 +2763,6 @@
             "readOnly": true
           }
         },
-        "required": [
-          "volumeId",
-          "serverId"
-        ],
         "type": "object"
       },
       "VolumeList": {
diff --git a/services/iaas/v1beta1/iaas.json b/services/iaas/v1beta1/iaas.json
index 0691f65..27c212f 100644
--- a/services/iaas/v1beta1/iaas.json
+++ b/services/iaas/v1beta1/iaas.json
@@ -754,7 +754,6 @@
           }
         },
         "required": [
-          "networkRangeId",
           "prefix"
         ],
         "type": "object"
@@ -960,7 +959,6 @@
           }
         },
         "required": [
-          "routeId",
           "prefix",
           "nexthop"
         ],